This section offers a variety of Murphy Level Instruments: There are several engine liquid level Swichgage® instruments, a bilge level switch system and several hydrostatic head level switches for maintaining tank levels.

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The L150 is a float operated, field adjustable liquid level swichgage®. A unique combination lube level indicating gage and adjustable low and high limit switch. It provides protection against low oil level or high level caused by overfill or fuel or water seepage into the crankcase.

The L150-BC is a float operated, field adjustable liquid level Swichgage® with a back connection. A unique combination lube level indicating gage and adjustable low and high limit switch. It provides protection against low oil level or high level caused by overfill or fuel or water seepage into the crankcase.

The EL150K1 Liquid Level Swichgage® instrument is a combination liquid level gauge and low limit switch. It can be used to monitor lube oil, hydraulic fluid or diesel fuel reservoirs and activate alarms and/or shut-down at a predetermined minimum level.